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Hard Gear Finishing - March/April 1988

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Archive > 1988 > March/April 1988 > Hard Gear Finishing

The article "Hard Gear Finishing" appeared in the March/April 1988 issue of Gear Technology.

Summary
Hard Gear Finishing (HGF), a relatively new technology, represents an advance in gear process engineering. The use of Computer Numerical Controlled (CNC) equipment ensures a high precision synchronous relationship between the tool spindle and the work spindle as well as other motions, thereby eliminating the need for gear trains. A hard gear finishing machine eliminates problems encountered in two conventional methods - gear shaving, which cannot completely correct gear errors in gear teeth, and gear rolling, which lacks the ability to remove stock and also drives the workpiece without a geared relationship to the master rolling gear. Such a machine provides greater accuracy, reducing the need for conventional gear crowning, which results in gears of greater face width than necessary.

Keywords
grinding, abrasives, CBN, form grinding, threaded-wheel grinding, honing

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